CVE Vulnerability

CVE-2021-28690

x86: TSX Async Abort protections not restored after S3 This issue relates to the TSX Async Abort speculative security vulnerability. Please see https://xenbits.xen.org/xsa/advisory-305.html for details. Mitigating TAA by disabling TSX (the default and preferred option) requires selecting a non-default setting in MSR_TSX_CTRL. This setting isn't restored after S3 suspend.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://xenbits.xenproject.org/xsa/advisory-377.txt Patch Vendor Advisory
https://security.gentoo.org/glsa/202107-30 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:xen:xen:4.15.0:rc1:*:*:*:*:*:*
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
Information

Published : 2021-06-29 12:15

Updated : 2021-09-21 04:13

NVD link : CVE-2021-28690

Mitre link : CVE-2021-28690

Products Affected
No products.
CWE
NVD-CWE-noinfo